83a1f16806
- BillboardInstance: per-instance uv sub-rect, feet anchor, turn, dithered alpha, flash; BillboardBatch::sharedTexture; Texture createEmpty/update/cellUV/cellAnchor/nearest - SpriteAtlas: fixed-cell runtime atlas with gutters - hd2d::ui: Octopath-style panels, fonts (Cinzel, EB Garamond), dialogue box with typewriter + portraits + choices, menus, nameplates, toasts, ImGui theme - DayCycle (dawn/day/dusk/night keyframes, sun + moon arcs), Weather overcast/mist/ lightning, night-aware presets, stars and moon in the sky - Hidden-window offscreen captures (Window visible=false, Renderer output FBO, OffscreenTarget); --screenshot never opens a window - Camera::worldToScreen; CMake usable via add_subdirectory (HD2D_BUILD_DEMO, HD2D_ENGINE_ASSET_DIR)
29 lines
1.1 KiB
C++
29 lines
1.1 KiB
C++
#pragma once
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#include <glm/glm.hpp>
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namespace hd2d {
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// Orbit camera looking at `target`. HD-2D scenes use a high, narrow-FOV
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// (near telephoto) camera tilted down so the world reads like a diorama.
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struct Camera {
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glm::vec3 target{0.0f};
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float yaw = 0.0f; // radians; 0 looks toward -Z
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float pitch = 0.56f; // radians below horizon
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float distance = 17.0f;
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float fovY = 0.52f; // radians (~30 deg)
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float nearPlane = 0.5f;
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float farPlane = 250.0f;
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glm::vec3 forward() const; // unit vector camera -> target
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glm::vec3 position() const { return target - forward() * distance; }
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glm::vec3 right() const; // horizontal right vector
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glm::mat4 view() const;
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glm::mat4 projection(float aspect) const;
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// Projects `world` to window pixels (top-left origin) of a `viewportPx`
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// viewport, using view() and projection(viewportPx.x / viewportPx.y).
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// Returns false (outPx untouched) when the point is behind the camera.
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bool worldToScreen(const glm::vec3& world, glm::vec2 viewportPx, glm::vec2& outPx) const;
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};
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} // namespace hd2d
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